Second - hand contains carbon monoxide, ammonia, formaldehyde a pyrene and nitrosamines.

二手烟包含了一氧化碳, 氨, 甲醛,苯和亚硝胺.

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This thesis developed a HPLC method for determination of benzo a pyrene in grain.

建立了粮食中苯并芘残留的高效液相色谱测定法.

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The derivates of naphthalene, fluorene, pyrene, anthracene, acenaphthene and their application in biotechnology were reviewed.

对应用于生物工程的萘 、 芴 、 芘 、 蒽 、 苊等稠环芳烃衍生物作了概括介绍.

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The ratio of fluoranthene to pyrene may indicate that PAHarea was mainly from uncompleted combustion.

根据荧蒽与芘质量浓度比值判别市区内PAH主要来源于燃料的不完全燃烧.

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This thesis developed a HPLC method for determination of Benzo a pyrene in meat foods.

建立了肉类食品中苯并芘残留的高效液相色谱测定法.

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Second - hand contains carbon monoxide, ammonia, formaldehyde, benz [ a ] pyrene and nitrosamines. These chemicals can harm your children.

二手烟包含了一氧化碳, 氨, 甲醛, 苯和亚硝胺. 这些化学制品可能危害您的孩子.

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